Files
openlayers/test/spec/ol/interaction/interaction.test.js
2019-02-22 15:01:30 +01:00

90 lines
2.3 KiB
JavaScript

import Map from '../../../../src/ol/Map.js';
import EventTarget from '../../../../src/ol/events/Target.js';
import Interaction from '../../../../src/ol/interaction/Interaction.js';
import {FALSE} from '../../../../src/ol/functions.js';
describe('ol.interaction.Interaction', function() {
describe('constructor', function() {
let interaction;
beforeEach(function() {
interaction = new Interaction({});
});
it('creates a new interaction', function() {
expect(interaction).to.be.a(Interaction);
expect(interaction).to.be.a(EventTarget);
});
it('creates an active interaction', function() {
expect(interaction.getActive()).to.be(true);
});
});
describe('#getMap()', function() {
it('retrieves the associated map', function() {
const map = new Map({});
const interaction = new Interaction({});
interaction.setMap(map);
expect(interaction.getMap()).to.be(map);
});
it('returns null if no map', function() {
const interaction = new Interaction({});
expect(interaction.getMap()).to.be(null);
});
});
describe('#setMap()', function() {
it('allows a map to be set', function() {
const map = new Map({});
const interaction = new Interaction({});
interaction.setMap(map);
expect(interaction.getMap()).to.be(map);
});
it('accepts null', function() {
const interaction = new Interaction({});
interaction.setMap(null);
expect(interaction.getMap()).to.be(null);
});
});
describe('#handleEvent()', function() {
class MockInteraction extends Interaction {
constructor() {
super(...arguments);
}
handleEvent(mapBrowserEvent) {
return false;
}
}
it('has a default event handler', function() {
const interaction = new Interaction({});
expect(interaction.handleEvent()).to.be(true);
});
it('allows event handler overrides via options', function() {
const interaction = new Interaction({
handleEvent: FALSE
});
expect(interaction.handleEvent()).to.be(false);
});
it('allows event handler overrides via class extension', function() {
const interaction = new MockInteraction({});
expect(interaction.handleEvent()).to.be(false);
});
});
});